55053144 has 24 divisors (see below), whose sum is σ = 149102460. Its totient is φ = 18351024.

The previous prime is 55053139. The next prime is 55053197. The reversal of 55053144 is 44135055.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382242 + ... + 382385.

Almost surely, 2^55053144 is an apocalyptic number.

It is an amenable number.

55053144 is an abundant number, since it is smaller than the sum of its proper divisors (94049316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55053144 is a wasteful number, since it uses less digits than its factorization.

55053144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764639 (or 764632 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 55053144 is about 7419.7805897479. The cubic root of 55053144 is about 380.4176939827.

Adding to 55053144 its reverse (44135055), we get a palindrome (99188199).

It can be divided in two parts, 5505 and 3144, that added together give a square (8649 = 93²).

The spelling of 55053144 in words is "fifty-five million, fifty-three thousand, one hundred forty-four".